Atomizer



J. B. SCHMITT ErAL ATOMIZER Filed May 11, 1945 INVENTORS April 16, 1946.

y used for applying medicine and perfume preparazle plug 1a exteriorly shaped for spraying into will be apparent upon reading the following de- Continuing passage I1, and the annuler Speoe i9 Patented Apr. 16, 194e 2,398,467;`

A "Y I Q aas'snsvf l n. :irroMizEiyA d .Joy B.' schmiitand Alvin d. Muneer; Toledo,` Ohio, assignorsV to yThe De Vilbiss CompanyL t lloledo, Oho,ja corporation oiOhio q f' Application May 11, 1945, Serial-No.-593,230

t n Y cleans. (01.299148815" 1 Thieinvention relates tolratomiz'ers of the type The modification showninFigure 3 hasa 'noztions@ `n' Y ,Y nasal passages. Insteadnofa crossjet'atomizae The 'principal object `of the invention is to tion arrangement, this nozzle uses'aform in which provide an atomizer that is suiciently compact 5 atomizing airis discharged from an annular openfor carrying in a purse or pocket. ing Surrounding the liquid tip. This type may Another important object is an atomizer that give more satisfactory results when used with is inexpensive to produce with a minimum nummedicinal preparations. Y

ber of parts, Instead of having the annular chamber I0 of Another object of the invention is the provision nozzle plug 1 in Figure 1, nozzle plug 'la 0f Figure of anatomizer with effective closure means to 3 lleS u out-away Seotion l5 eXtending only e` prevent leakage while the atomizer is not in use. Short Way around the Dlug- Air iS delivered to other objects andadvantages of the invention it from passage l I and reachesthe nozzle through scription with reference to the accompanying l5 around the tip 9odrawing in which: i While this modification has more nozzleparts,

Figure 1 is a side elevation partly in vertical its construction is otherwise similar and as unsection of an atomizer embodying our invention; Complicated in design aS that of Figure 1.

Figure 2 is a horzontm Section teken on line It may be seenthat the invention provides an 2--2 of Figure 1; :and 20 atomizer the slim shape of whichk is particularly Figure 3 is a fragmentary vertical Section of well-suited for insertion into a pocket or purse. the nozzle portion of a modied form of the The long nelloW liquid reservoir and the Shallow invention, air chamber nt together neatly within the con- The atomizer has a main body formed gf two tours of the atomizer body and cooperate in' makcylindrical sections at right angles to each other, 251mg Possible Suoh of desirable Shape. AISO the one section having a vertical bore 2 constituting design enebles the' all and liquid chambers to be a liquid reservoir, and the other section having a, formed in the molding operation. This and the laterally facing shallow, approximately cylindriinselteble nozzle Plug reduce machining operacal cavity 3 forming, with a rubber diaphragm 4, tions to a minimuman air compression chamber. The liquid reserd We wish it understood that our invention has voir 2 has a lling opening at its bottom which been disclosed herein by Way of example only is closed by cap 5 and gasket s. At the other and that numerous modifications therein may be end of the bore is inserted nozzle plug l which devised Without departing from the .inventive may be press-fittedinto position. Supported by oonoeptthis plug is a liquid outlet tube s which passes Having thus described our invention, what we through the plug and terminates with discharge Gleim t0 be new and desire to Secure by U- S. tip 9. In the nozzle shown in Figure 1 the plug Letters Patent, is: Y

1 has an annular air receiving chamber I 0 to 1 In en atomizer, e Single integral body memwhich air is delivered from air supply chamber 3 bei' helling 2 Vertical bore at one end, e laterally through passage l, 4o racing shallow cavity near the other end, a rubber From the annum; chamber m, air is forced diaphragm attached over the cavity to form an air with each compression of diaphragm 4 through compression Chamber, en eil' peSSage between the port l2. With the closure cap I3 and its accom- Cavity and the vertical bore, 'a nozzle plus fitted panying gasket I4 removed, air from port |2 into the bore, an indentation on one side of the passes over the end of liquid nozzle 9 drawing 45 Plug with which the air passage from the Cavity liquid therefrom and atomizing it along a path communicates. e liquid outlet tube having e dissubstantially coaxial with passage l2. charge nozzle and depending from the folug and In order to prevent a vacuum being ereated an air passage from the indentation for directing within liquid chamber 2 by the continued disen atomizing jet of air around the end of the charge of atomized liquid, a small port l5 is pro- 50 liquid disoliuige nozzle.

vided in the upper end of tube 8. Between com- 2- In an atomizer, an integral vertically fiatpressions of the diaphragm 4 air enters the nozzle tened body formed of two merging Cylindrical 9 and passes into chamber 2 through port I5 to sections the axis of each section `disposed in a take the place of any liquid that has previously plane perpendicular to and bisecting the axis of been discharged. the other section, the axis of each section being substantially equal in length to the diameter of the other section, a chamber in each section coaxial therewith, one for atomizing air and the other for liquid to be sprayed, a spray nozzle near one end of the lquid chamber, passages from the liquid and air chambers to the nozzle, and compressible means associated with the air chamber for impellin'g airlgtlrfrefrom to the "gspiiayf nozzle.

` 3. In van atomizen'fanfintegral body'iormede-by two cylindrical sections with the axis of each in a plane perpendicular to and bisecting the axis of Y the other, the center points of the axes beingspaced apart approximately the sum ofthe radii'Vv of the two sections, substantially planar surfaces joining the sections togetheig'a cavity'inand co'- axial with each section constituting,respectivelyv a liquid reservoir and an air chamber, aspray-disn charge nozzle mounted on the body, passages from the liquid reservoir and the air chambertothe spray nozzle Vand compressible means, associated with kthe air chamber forfforcing.airfromf the chamber. to thespray nozzle.` y Y y Vfi. Infanato'niizer@anintegralbody member liquid reservoir, an atomizng plug inserted in the endof the fbone,:said'plug having a aring conical opening inf'fthe Y,center of its exterior end, a liquid outlet tip rextending outwardly from the apex of l the -`conical opening, an air port in the wall of the conical opening positioned to direct air across the end of the liquid outlet tip, and manually compressible -meansfor idelivering airv .through said f port. Y

` JOY B; SCHMITT.

A ALVIN J .7. ATTINGER. 

